Merge pull request rails#43244 from jcoyne/patch-1

Add explicit rendering to DiskController#update

Author: kaspth

activestorage/app/controllers/active_storage/disk_controller.rb

@@ -23,6 +23,7 @@ def update
     if token = decode_verified_token
       if acceptable_content?(token)
         named_disk_service(token[:service_name]).upload token[:key], request.body, checksum: token[:checksum]
+        head :no_content
       else
         head :unprocessable_entity
       end